Astron is the European leader in pre-engineered steel buildings for industrial applications, commercial and retail outlets, storage, logistics, sports, leisure and parking. The complete steel buildings comprise the outer shell with the main structure, wall, roof and accessories.

In the three production plants in Luxembourg, the Czech Republic and Russia some 70 buildings are individually produced per week. The Astron group consists of 13 companies and employs approximately 690 people throughout Europe. The headquarters of Astron is located in Diekirch (Luxembourg). In 2020, sales of around 90 million euros was generated.

Astron was acquired in 2005 by the Swedish Lindab Group that develops, manufactures, markets and distributes products and system solutions for simplified construction and improved indoor climate. The Lindab Group had a sales revenue of about EUR 910 m in 2020 and is established in 24 countries with approximately 5,000 employees.